convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 3.3.9, at includes/class-wp-convertkit.php

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1	<?php
2	/**
3	* ConvertKit class.
4	*
5	* @package ConvertKit
6	* @author ConvertKit
7	*/
8
9	/**
10	* Class ConvertKit
11	*
12	* @package ConvertKit
13	* @author ConvertKit
14	*/
15	class WP_ConvertKit {
16
17	/**
18	* Holds the class object.
19	*
20	* @since 1.9.6
21	*
22	* @var object
23	*/
24	private static $instance;
25
26	/**
27	* Holds singleton initialized classes that include
28	* action and filter hooks.
29	*
30	* @since 1.9.6
31	*
32	* @var array
33	*/
34	private $classes = array();
35
36	/**
37	* Constructor. Acts as a bootstrap to load the rest of the plugin
38	*
39	* @since 1.9.6
40	*/
41	public function __construct() {
42
43	// Initialize classes that have hooks prior to the `init` hook.
44	// Divi Theme requires us to do this, although the Divi Builder Plugin works fine when loading
45	// our integration on `init`.
46	$this->classes['divi'] = new ConvertKit_Divi();
47	$this->classes['widgets'] = new ConvertKit_Widgets();
48
49	// Initialize Plugin classes on init, so the `_load_textdomain_just_in_time` warning isn't triggered.
50	add_action( 'init', array( $this, 'initialize' ), 1 );
51	add_action( 'init', array( $this, 'setup' ), 2 );
52
53	}
54
55	/**
56	* Initialize classes.
57	*
58	* @since 2.7.7
59	*/
60	public function initialize() {
61
62	$this->initialize_admin();
63	$this->initialize_admin_or_frontend_editor();
64	$this->initialize_cli_cron();
65	$this->initialize_frontend();
66	$this->initialize_global();
67
68	}
69
70	/**
71	* Initialize classes for the WordPress Administration interface
72	*
73	* @since 1.9.6
74	*/
75	private function initialize_admin() {
76
77	// Bail if this request isn't for the WordPress Administration interface.
78	if ( ! is_admin() ) {
79	return;
80	}
81
82	$this->classes['admin_bulk_edit'] = new ConvertKit_Admin_Bulk_Edit();
83	$this->classes['admin_cache_plugins'] = new ConvertKit_Admin_Cache_Plugins();
84	$this->classes['admin_category'] = new ConvertKit_Admin_Category();
85	$this->classes['admin_landing_page'] = new ConvertKit_Admin_Landing_Page();
86	$this->classes['admin_legacy_resource_notice'] = new ConvertKit_Admin_Legacy_Resource_Notice();
87	$this->classes['admin_importer_activecampaign'] = new ConvertKit_Admin_Importer_ActiveCampaign();
88	$this->classes['admin_importer_aweber'] = new ConvertKit_Admin_Importer_AWeber();
89	$this->classes['admin_importer_campaignmonitor'] = new ConvertKit_Admin_Importer_CampaignMonitor();
90	$this->classes['admin_importer_convertkit_legacy_forms'] = new ConvertKit_Admin_Importer_ConvertKit_Legacy_Forms();
91	$this->classes['admin_importer_mc4wp'] = new ConvertKit_Admin_Importer_MC4WP();
92	$this->classes['admin_importer_mailpoet'] = new ConvertKit_Admin_Importer_Mailpoet();
93	$this->classes['admin_importer_newsletter'] = new ConvertKit_Admin_Importer_Newsletter();
94	$this->classes['admin_post'] = new ConvertKit_Admin_Post();
95	$this->classes['admin_quick_edit'] = new ConvertKit_Admin_Quick_Edit();
96	$this->classes['admin_restrict_content'] = new ConvertKit_Admin_Restrict_Content();
97	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
98	$this->classes['admin_setup_wizard_landing_page'] = new ConvertKit_Admin_Setup_Wizard_Landing_Page();
99	$this->classes['admin_setup_wizard_plugin'] = new ConvertKit_Admin_Setup_Wizard_Plugin();
100	$this->classes['admin_setup_wizard_restrict_content'] = new ConvertKit_Admin_Setup_Wizard_Restrict_Content();
101
102	/**
103	* Initialize integration classes for the WordPress Administration interface.
104	*
105	* @since 1.9.6
106	*/
107	do_action( 'convertkit_initialize_admin' );
108
109	}
110
111	/**
112	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
113	*
114	* @since 1.9.6
115	*/
116	private function initialize_admin_or_frontend_editor() {
117
118	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
119	if ( ! $this->is_admin_or_frontend_editor() ) {
120	return;
121	}
122
123	/**
124	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
125	*
126	* @since 1.9.6
127	*/
128	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
129
130	}
131
132	/**
133	* Initialize classes for WP-CLI and WP-Cron
134	*
135	* @since 2.5.2
136	*/
137	private function initialize_cli_cron() {
138
139	// Bail if this isn't a CLI or CRON request.
140	if ( ! $this->is_cli() && ! $this->is_cron() ) {
141	return;
142	}
143
144	/**
145	* Initialize integration classes for WP-CLI and WP-Cron.
146	*
147	* @since 1.9.6
148	*/
149	do_action( 'convertkit_initialize_cli_cron' );
150
151	}
152
153	/**
154	* Initialize classes for the frontend web site
155	*
156	* @since 1.9.6
157	*/
158	private function initialize_frontend() {
159
160	// Bail if this request isn't for the frontend web site.
161	if ( is_admin() ) {
162	return;
163	}
164
165	$this->classes['cache_plugins'] = new ConvertKit_Cache_Plugins();
166	$this->classes['output'] = new ConvertKit_Output();
167	$this->classes['output_broadcasts'] = new ConvertKit_Output_Broadcasts();
168
169	/**
170	* Initialize integration classes for the frontend web site.
171	*
172	* @since 1.9.6
173	*/
174	do_action( 'convertkit_initialize_frontend' );
175
176	}
177
178	/**
179	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
180	* web site.
181	*
182	* @since 1.9.6
183	*/
184	private function initialize_global() {
185
186	$this->classes['admin_notices'] = new ConvertKit_Admin_Notices();
187	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
188	$this->classes['admin_refresh_resources'] = new ConvertKit_Admin_Refresh_Resources();
189	$this->classes['blocks_convertkit_broadcasts'] = new ConvertKit_Block_Broadcasts();
190	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
191	$this->classes['blocks_convertkit_formtrigger'] = new ConvertKit_Block_Form_Trigger();
192	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
193	$this->classes['blocks_convertkit_form_builder'] = new ConvertKit_Block_Form_Builder();
194	$this->classes['blocks_convertkit_form_builder_field_email'] = new ConvertKit_Block_Form_Builder_Field_Email();
195	$this->classes['blocks_convertkit_form_builder_field_name'] = new ConvertKit_Block_Form_Builder_Field_Name();
196	$this->classes['blocks_convertkit_form_builder_field_custom'] = new ConvertKit_Block_Form_Builder_Field_Custom();
197	$this->classes['blocks_convertkit_product'] = new ConvertKit_Block_Product();
198	$this->classes['block_formatter_form_link'] = new ConvertKit_Block_Formatter_Form_Link();
199	$this->classes['block_formatter_product_link'] = new ConvertKit_Block_Formatter_Product_Link();
200	$this->classes['pre_publish_action_broadcast_export'] = new ConvertKit_Pre_Publish_Action_Broadcast_Export();
201	$this->classes['plugin_sidebar_post_settings'] = new ConvertKit_Plugin_Sidebar_Post_Settings();
202	$this->classes['broadcasts_exporter'] = new ConvertKit_Broadcasts_Exporter();
203	$this->classes['broadcasts_importer'] = new ConvertKit_Broadcasts_Importer();
204	$this->classes['elementor'] = new ConvertKit_Elementor();
205	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
206	$this->classes['media_library'] = new ConvertKit_Media_Library();
207	$this->classes['output_restrict_content'] = new ConvertKit_Output_Restrict_Content();
208	$this->classes['restrict_content_cache'] = new ConvertKit_Restrict_Content_Cache();
209	$this->classes['review_request'] = new ConvertKit_Review_Request( 'Kit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
210	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
211	$this->classes['setup'] = new ConvertKit_Setup();
212	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
213
214	/**
215	* Initialize integration classes for the frontend web site.
216	*
217	* @since 1.9.6
218	*/
219	do_action( 'convertkit_initialize_global' );
220
221	}
222
223	/**
224	* Runs the Plugin's initialization and update routines, which checks if
225	* the Plugin has just been updated to a newer version,
226	* and if so runs any specific processes that might be needed.
227	*
228	* @since 1.9.7.4
229	*/
230	public function setup() {
231
232	$this->get_class( 'setup' )->initialize();
233	$this->get_class( 'setup' )->update();
234
235	}
236
237	/**
238	* Improved version of WordPress' is_admin(), which includes whether we're
239	* editing on the frontend using a Page Builder.
240	*
241	* @since 1.9.6
242	*
243	* @return bool Is Admin or Frontend Editor Request
244	*/
245	public function is_admin_or_frontend_editor() {
246
247	// If we're in the wp-admin, return true.
248	if ( is_admin() ) {
249	return true;
250	}
251
252	// Pro.
253	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
254	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), '/pro/' ) !== false ) {
255	return true;
256	}
257	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), '/x/' ) !== false ) {
258	return true;
259	}
260	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), 'cornerstone-endpoint' ) !== false ) {
261	return true;
262	}
263	}
264
265	// If the request global exists, check for specific request keys which tell us
266	// that we're using a frontend editor.
267	// Avada Live.
268	// phpcs:disable WordPress.Security.NonceVerification.Recommended
269	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
270	return true;
271	}
272
273	// Beaver Builder.
274	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
275	return true;
276	}
277
278	// Brizy.
279	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
280	return true;
281	}
282
283	// Cornerstone (AJAX).
284	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
285	return true;
286	}
287
288	// Divi.
289	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
290	return true;
291	}
292
293	// Elementor.
294	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( wp_unslash( $_REQUEST['action'] ) ) === 'elementor' ) {
295	return true;
296	}
297
298	// Kallyas.
299	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
300	return true;
301	}
302
303	// Oxygen.
304	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
305	return true;
306	}
307
308	// Thrive Architect.
309	if ( array_key_exists( 'tve', $_REQUEST ) ) {
310	return true;
311	}
312
313	// Visual Composer.
314	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
315	return true;
316	}
317
318	// WPBakery Page Builder.
319	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
320	return true;
321	}
322
323	// Zion Builder.
324	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( wp_unslash( $_REQUEST['action'] ) ) === 'zion_builder_active' ) {
325	return true;
326	}
327
328	// Assume we're not in the Administration interface.
329	$is_admin_or_frontend_editor = false;
330
331	/**
332	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
333	*
334	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
335	*
336	* @since 1.9.6
337	*
338	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
339	*/
340	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
341
342	// phpcs:enable
343
344	// Return filtered result.
345	return $is_admin_or_frontend_editor;
346
347	}
348
349	/**
350	* Detects if the request is through the WP-CLI
351	*
352	* @since 1.9.6
353	*
354	* @return bool Is WP-CLI Request
355	*/
356	public function is_cli() {
357
358	if ( ! defined( 'WP_CLI' ) ) {
359	return false;
360	}
361	if ( ! WP_CLI ) {
362	return false;
363	}
364
365	return true;
366
367	}
368
369	/**
370	* Detects if the request is through the WP CRON
371	*
372	* @since 1.9.6
373	*
374	* @return bool Is WP CRON Request
375	*/
376	public function is_cron() {
377
378	return wp_doing_cron();
379
380	}
381
382	/**
383	* Returns the given class
384	*
385	* @since 1.9.6
386	*
387	* @param string $name Class Name.
388	* @return object Class Object
389	*/
390	public function get_class( $name ) {
391
392	// If the class hasn't been loaded, throw a WordPress die screen
393	// to avoid a PHP fatal error.
394	if ( ! isset( $this->classes[ $name ] ) ) {
395	// Define the error.
396	$error = new WP_Error(
397	'convertkit_get_class',
398	sprintf(
399	/* translators: %1$s: PHP class name */
400	__( 'Kit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
401	$name
402	)
403	);
404
405	// Depending on the request, return or display an error.
406	// Admin UI.
407	if ( is_admin() ) {
408	wp_die(
409	esc_attr( $error->get_error_message() ),
410	esc_html__( 'Kit Error', 'convertkit' ),
411	array(
412	'back_link' => true,
413	)
414	);
415	}
416
417	// Cron / CLI.
418	return $error;
419	}
420
421	// Return the class object.
422	return $this->classes[ $name ];
423
424	}
425
426	/**
427	* Returns the singleton instance of the class.
428	*
429	* @since 1.1.6
430	*
431	* @return object Class.
432	*/
433	public static function get_instance() {
434
435	if ( null === self::$instance ) {
436	self::$instance = new self();
437	}
438
439	return self::$instance;
440
441	}
442
443	}
444